Pressure washer pump



FIG. 1 is a top-right perspective view of a pressure washer pump;

FIG. 2 is a bottom-left perspective view thereof;

FIG. 3 is top-front perspective view thereof;

FIG. 4 is a top elevation view thereof;

FIG. 5 is a bottom elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a left side elevation view thereof;

FIG. 8 is a front plan view thereof; and,

FIG. 9 is a rear plan view thereof.

The broken lines are included for the purpose of illustrating portions of the pressure washer pump that form no part of the claimed design. 

CLAIM The ornamental design for a pressure washer pump, as shown and described. 